Annual report pursuant to Section 13 and 15(d)

SHAREOWNERS' EQUITY - Activity Related to Noncontrolling Interests (Detail)

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SHAREOWNERS' EQUITY - Activity Related to Noncontrolling Interests (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Noncontrolling Interest [Line Items]      
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests $ 3us-gaap_MinorityInterestDecreaseFromRedemptions $ (66)us-gaap_MinorityInterestDecreaseFromRedemptions  
Document Fiscal Year Focus 2014    
Balance at beginning of period 14us-gaap_MinorityInterest 80us-gaap_MinorityInterest 73us-gaap_MinorityInterest
Noncontrolling Interest, Increase from Subsidiary Equity Issuance     7us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Dividends attributable to noncontrolling interests 0us-gaap_PaymentsOfDividendsMinorityInterest 0us-gaap_PaymentsOfDividendsMinorityInterest 0us-gaap_PaymentsOfDividendsMinorityInterest
Net income attributable to noncontrolling interests 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Balance at end of period $ 17us-gaap_MinorityInterest $ 14us-gaap_MinorityInterest $ 80us-gaap_MinorityInterest